[Bug 80078] [BDW]GFX device consume the same Watt as Idle when it's active

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=80078

--- Comment #5 from liulei <lei.a.liu at intel.com> ---
(In reply to comment #4)
> It's measuring 60mW which would be close to idle non-rc6 power. (Estimating
> from earlier generations). That is either a measurement error or you simply
> aren't loading the system enough to produce a significant load.
For measurement solution:
The GFXWatt got from turbostat tool is a kind of RAPL(Running Average Power
Limit) power measurement solution, which should be reliable test method.

For workload:
My expected result is we should get different power consumption when I load
some workload comparing with idle scenario. I encountered problem is GFXwatt no
change whatever idle or other gfx workload. Pls correct and educate me if my
understanding is wrong, thanks!

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